Lifebreath 200ERV User Manual download pdf (Page 13)

Operating the ControlAir 15

Plugging in the HRV/ERV energizes the unit. A self test

function will be performed every time the HRV/ERV is

energized (refer to “Self Test” for more details). After

the self test has completed successfully the HRV/ERV

will default to Speed 1. This is the factory default

setting. Follow the instructions found on the HRV/ERV

door to select desired mode and speed, or refer to the

instructions found on the following page.

Removing and relocating the

Control Pad

The Control Pad can be removed and installed in a

remote location (100’ wire length max). The Control Pad

can be installed in a 2x4 box with a “Decora” type cover

plate or can be installed in the optional “Ventilation

Dehumidistat” or “Air Sentry”. When the Control Pad is

installed in a remote location, all optional controls will still

be wired to the Control Module on the

HRV/ERV

. When

remotely mounted on its own, the Control Pad is wired to

the Control Module by 3 wire (min. 20 gauge). Connect

the colour coded terminals to the corresponding terminals

on the Control Module. When the Control Pad is remotely

mounted in the Ventilation Dehumidistat or Air Sentry,

refer to optional controls page for wiring requirements.

Self Test

Each time the

HRV/ERV

is powered/energized the self

test function will automatically initiate. During the self

test the

HRV/ERV

will cycle through all the speeds

available (1-5), test the damper motor operation and will

default back to the previous mode/speed selection,

(factory default is Speed 1). Total self test duration is

approximately 1 min. 30 sec.

Automatic Defrost Operation

(Not on all models)

The advanced technology of the digital microprocessor

automatically activates the defrost system only as it is

needed. To be an efficient heat recovery device, the

HRV/ERV must effectively provide for core defrost as well

as providing efficient heat exchange. As outdoor

conditions cool, the temperature sensor (thermistor) tracks

the supply air temperature. The thermistor then sends its

signal to the microprocessor (circuit board) which initiates

only the defrost cycle time required to clear the core. On

recirculating defrost models, the core is defrosted when

the supply air port is automatically blocked off and exhaust

air is redirected back through the HRV/ERV. On damper

defrost models, the core is defrosted when the supply air

port is automatically blocked off and the warm air

surrounding the HRV/ERV is drawn in through the defrost

port. The mode indicator will flash RED during the defrost

cycle. This dramatic advance makes more energy

available for recovery as the unit spends less time in

defrost mode. By optimizing the defrost cycle, the

HRV/ERV combines money saving performance with a

well designed and reliable control system.

FUNCTION & CONTROL

Glossary

DEFROST MODE - to ensure reliable operation during cold

weather, the HRV/ERV will automatically cycle through its

defrost mode as needed. (not on all models)

DEHUMIDISTAT - a control device that senses the amount of

moisture in the air and will activate high speed fan operation

when the air moisture level exceeds the control setting. The

optimum air moisture level (or relative humidity [Rh]) in the

typical home is in the range of 30 to 40% Rh.

RESET - whenever resetting of the HRV/ERV is required,

simply disconnect power for 30 seconds.

STANDBY MODE - the HRV/ERV is energized and waiting for fan

operation to be initiated by a remote device or manual override.

THERMISTOR

- the

HRV/ERV

's temperature sensor which

measures electrical resistance in a known manner, as

outdoor temperatures fluctuate.



ControlAir 15

Exploded view

Control Module

Control Pad

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Lifebreath 200ERV User Manual Page 13

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